fannkuch-redux First, here are half-a-dozen naive un-optimised single-thread #8 programs transliterated line-by-line literal style into different programming languages from the same original — source secs mem gz C gcc #8 39.34 2,343 483 Java #8 46.67 60,162 517 Node.js #8 58.20 63,136 452 PHP #8 28 min 16,335 477 Ruby #8 34 min 17,691 418 Python 3 #8 40 min 11,874 414 Here are the crowd sourced programs — × source secs mem gz cpu secs 1.0 Rust #4 6.90 4,141 1026 27.13 1.1 C gcc #5 7.28 2,949 917 28.26 1.1 Rust #5 7.47 3,985 1023 29.32 1.1 C++g++ #5 7.86 5,792 987 30.73 1.2 Go #3 8.36 3,846 975 33.33 1.2 F# #6 8.37 41,243 1103 32.47 1.2 Chapel #2 8.48 9,699 737 33.63 1.3 OCaml #3 8.84 36,123 1024 35.14 1.3 C++ g++ #4 8.91 5,710 1445 35.03 1.3 Java naot 9.07 12,694 1289 35.92 1.3 C++ g++ #2 9.14 5,698 1446 35.85 1.3 OCaml #4 9.14 11,338 1018 36.44 1.3 Ada 2012 GNAT #3 9.15 7,684 2120 36.42 1.3 Rust #2 9.16 3,985 1198 35.91 1.4 Lisp SBCL #4 9.41 38,060 1531 36.94 1.4 Intel Fortran #3 9.67 12,128 1164 38.54 1.4 Haskell GHC #3 9.68 9,560 1184 37.96 1.4 F# #5 9.75 46,322 927 38.04 1.5 C# naot #6 10.14 6,799 1075 40.45 1.5 C++ g++ 10.53 5,534 1065 41.31 1.5 Free Pascal 10.66 3,666 1057 42.37 1.6 C# naot #3 11.01 6,472 1117 43.52 1.6 Node.js #5 11.14 109,359 1320 44.00 1.8 Go 12.27 4,903 906 49.03 1.8 Go #2 12.36 16,966 903 49.33 1.8 Dart aot #5 12.56 10,400 1227 49.85 4.5 Lisp SBCL #5 30.88 58,196 689 30.86 4.5 C# naot #2 31.30 6,001 584 31.28 5.0 Swift #8 34.68 13,476 470 34.67 5.2 Java naot #3 35.64 11,809 1264 35.64 5.3 Lisp SBCL #3 36.28 37,208 833 36.26 5.3 C gcc #3 36.84 2,343 574 36.83 5.5 C++ g++ #3 37.89 2,351 600 37.88 5.7 C gcc #8 39.34 2,343 483 39.33 5.7 C gcc 39.65 2,343 514 39.64 5.8 Intel Fortran 40.21 2,179 608 40.20 5.9 Dart aot #3 40.90 8,671 553 40.89 6.2 Julia 42.56 309,703 441 42.59 6.4 Java naot #2 44.40 10,772 520 44.39 6.5 C# naot #8 44.63 6,091 519 44.62 6.6 OCaml #2 45.79 4,784 478 45.78 6.7 Go #8 46.15 3,207 500 46.27 7.0 Lisp SBCL #2 48.05 27,795 525 48.02 7.4 OCaml 51.28 4,796 529 51.27 7.4 Java naot #8 51.31 11,039 517 51.30 8.4 Dart aot #2 57.85 8,950 510 57.84 8.4 Node.js #8 58.20 63,136 452 58.17 9.5 Erlang 65.23 64,389 1044 256.69 10 Dart aot #8 70.14 8,692 508 70.12 19 PHP #4 130.83 19,780 1168 8 min 19 PHP #3 133.01 19,767 1166 8 min 22 F# 149.70 46,936 558 107.42 22 Ruby #2 154.32 23,679 1462 9 min 42 Haskell GHC 291.77 15,471 567 5 min 45 Python 3 #4 5 min 28,701 960 20 min 63 Perl #2 7 min 16,654 577 28 min 67 PHP #2 7 min 16,339 447 7 min 70 Pharo Smalltalk 8 min 143,667 871 8 min 86 PHP 9 min 16,400 488 9 min 97 Lua 11 min 3,363 469 11 min 137 Python 3 #6 15 min 11,874 391 15 min 185 Perl #3 21 min 7,512 433 21 min 208 Ruby 23 min 17,695 391 23 min 251 PHP #8 28 min 16,335 477 28 min 266 Perl 30 min 7,524 463 30 min 298 Ruby #8 34 min 17,691 418 34 min 356 Python 3 #8 40 min 11,874 414 40 min * possible hand-written vector instructions | "unsafe" × source secs mem gz cpu secs 0.3 * C gcc #6 2.14 2,712 1582 8.44 0.3 * C# naot #5 2.16 6,713 1485 8.57 0.5 * C++ g++ #6 3.33 5,800 1535 13.11 0.6 * Rust #6 3.81 4,137 1260 15.15 1.2 * C# naot #9 8.11 6,377 1232 32.33 1.2 * Swift #3 8.22 13,808 1103 32.43 1.2 * Julia #2 8.59 333,136 1077 32.00 1.4 * Julia #3 9.44 333,103 896 35.58 1.5 * C gcc #2 10.18 2,695 1563 39.92 1.5 * Haskell GHC #5 10.33 9,748 850 40.84 1.8 * Haskell GHC #6 12.54 27,533 1123 45.26 2.0 * C gcc #4 14.05 2,351 1190 14.04 2.0 * C++ g++ #7 14.06 2,449 1156 14.04 4.4 * Racket #3 30.37 129,380 1109 112.19 5.8 * Haskell GHC #4 40.19 10,039 671 40.73 6.4 * Haskell GHC #2 44.38 28,840 815 131.41 16 * Racket #2 113.47 126,419 916 113.40 20 * Racket 141.45 126,550 655 141.38 by secs by mem by gz by cpu secs